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doted.tcl - Graph Editor based on dot

Author: John Ellson <ellson@graphviz.org>

Package requires: wish, tcldot, tkspline

A graph editor with batch layout.  This script is designed to exercise
the graph layout package: tcldot

The button in the lower-right corner triggers a relayout of the graph.

To Do:
	- complete Help feature
	- add zooming
	- make it easier to edit attributes